Adding Three Digit Single Numbers

Front

What is the sum of 1, 8, and 7?

Back

The sum of 1, 8, and 7 is 16.

Front

What is the sum of 2, 5, and 0?

Back

The sum of 2, 5, and 0 is 7.

Front

What is the sum of 4, 4, and 4?

Back

The sum of 4, 4, and 4 is 12.

Front

What is the sum of 7, 3, and 2?

Back

The sum of 7, 3, and 2 is 12.

Front

What is the sum of 2, 3, and 9?

Back

The sum of 2, 3, and 9 is 14.

Front

What is the definition of addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is a three-digit number?

Back

A three-digit number is a number that has three digits, ranging from 100 to 999.

Front

How do you add three single-digit numbers?

Back

To add three single-digit numbers, align them vertically and add them column by column, carrying over if necessary.

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum.

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped does not change the sum.